Other
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21812504m&link_type=abstract
American Astronomical Society, AAS Meeting #218, #125.04; Bulletin of the American Astronomical Society, Vol. 43, 2011
Other
Scientific paper
We present results of our multiwavelength study of IRAS 20050+2720, a young stellar cluster, which is thought to be located at 700 pc. IRAS 20050+2720 displays an exceptionally low 24 micron background, because no massive stars are present. We concentrate on Chandra and Spitzer data and compare cluster properties of an IR sample (as previously presented by Guthermuth et al. 2009) and an X-ray selected sample. Compared to previous works the IR coverage has been extended with new observations. Foreground X-ray sources are separated with optical photometry and we treat the remaining disk-less sources as the class III population of the cluster. It turns out, that the class III sources are much less clustered than class I and II sources.
The low 24 micron background allows us to achieve a more complete sample at this wavelength than in other star forming regions. Therefore, our census of transition disk objects between class II and class III should be more complete. We use this to put limits on the time scale of disk dispersal.
This work has been funded by Chandra award GO6-7017X.
Guenther Hans Moritz
Gutermuth Robert A.
Spitzbart Brad
Wolk Scott J.
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